16411969 has 8 divisors (see below), whose sum is σ = 18790208. Its totient is φ = 14042160.

The previous prime is 16411963. The next prime is 16412003. The reversal of 16411969 is 96911461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16411969 - 2⁵ = 16411937 is a prime.

It is a super-2 number, since 2×16411969² = 538705452913922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16411963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854 + ... + 6400.

It is an arithmetic number, because the mean of its divisors is an integer number (2348776).

Almost surely, 2^16411969 is an apocalyptic number.

It is an amenable number.

16411969 is a deficient number, since it is larger than the sum of its proper divisors (2378239).

16411969 is an equidigital number, since it uses as much as digits as its factorization.

16411969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215.

The product of its digits is 11664, while the sum is 37.

The square root of 16411969 is about 4051.1688436796. The cubic root of 16411969 is about 254.1286109585.

The spelling of 16411969 in words is "sixteen million, four hundred eleven thousand, nine hundred sixty-nine".